Cosmopolis
Cosmopolis has roughly average household income, with a median household income of $84,853. Population has grown 38% since 2000. Median home value has roughly tripled since 2000, reaching $317,000.
Population & growth
PEP 2025 EST:1,656 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Education
Commute & transportation
Work & employment
People & community
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How many people live in Cosmopolis, Washington?
Cosmopolis, Washington has about 2,202 residents according to the 2024 American Community Survey.
What is the median household income in Cosmopolis, Washington?
The typical household in Cosmopolis, Washington earns about $84,853 a year. Half of households make more than that, and half make less.
Is Cosmopolis, Washington expensive?
In Cosmopolis, Washington, the median home is worth about $317,000.
How educated are people in Cosmopolis, Washington?
About 26.6% of adults age 25 and over in Cosmopolis, Washington hold a bachelor's degree or higher.
What is the poverty rate in Cosmopolis, Washington?
About 10.3% of people in Cosmopolis, Washington live below the federal poverty line.
Has Cosmopolis, Washington grown since 1990?
Yes, Cosmopolis, Washington has grown since 1990. The population has added about 830 residents, a change of about 60 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024